Home / 132,658.55-183,073.29-72,231.54

Finding the Fourth Proportional to 132,658.55, 183,073.29 and 72,231.54

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Solution

The fourth proportional to 132,658.55, 183,073.29 and 72,231.54 is: 99,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,658.55 : 183,073.29 = 72,231.54 : x
  2. Step 2: Convert to fraction form
    132,658.55/183,073.29 = 72,231.54/x
  3. Step 3: Cross multiply
    132,658.55x = 183,073.29 × 72,231.54
  4. Step 4: Simplify right side
    132,658.55x = 13,223,665,669.57
  5. Step 5: Solve for x
    x = 13,223,665,669.57/132,658.55
  6. Step 6: Final answer
    x = 99,681.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.